linux-kernel - [PATCH 6/6] arm64: dts: amlogic: g12: assign the MMC A signal clock

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20260114-amlogic-mmc-clocks-followup-v1-6-a999fafbe0aa@baylibre.com>
Date: Wed, 14 Jan 2026 18:08:53 +0100
From: Jerome Brunet <jbrunet@...libre.com>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Kevin Hilman <khilman@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Xianwei Zhao <xianwei.zhao@...ogic.com>, 
 Yixun Lan <yixun.lan@...ogic.com>, Nan Li <nan.li@...ogic.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Jerome Brunet <jbrunet@...libre.com>
Subject: [PATCH 6/6] arm64: dts: amlogic: g12: assign the MMC A signal
 clock

The amlogic MMC driver operate with the assumption that MMC clock
is configured to provide 24MHz. It uses this path for low
rates such as 400kHz.

Assign the clock to make sure it is properly configured

Fixes: 8a6b3ca2d361 ("arm64: dts: meson: g12a: add SDIO controller")
Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 0085612cf735..00609d2da674 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2431,6 +2431,9 @@ sd_emmc_a: mmc@...03000 {
 				 <&clkc CLKID_FCLK_DIV2>;
 			clock-names = "core", "clkin0", "clkin1";
 			resets = <&reset RESET_SD_EMMC_A>;
+
+			assigned-clocks = <&clkc CLKID_SD_EMMC_A_CLK0>;
+			assigned-clock-rates = <24000000>;
 		};
 
 		sd_emmc_b: mmc@...05000 {

-- 
2.47.3